Variability of Pacific herring (Clupea pallasii) spawn abundance under climate change off the West Coast of Canada over the past six decades

Pacific herring (Clupea pallasii) is an ecologically- and commercially-important species in the northeast Pacific Ocean. Detailed records of herring spawn off the coast of British Columbia (BC), Canada, collected annually since 1928, indicate that spawn distribution has gone through systematic changes over time. The cessation of spawning in some areas has led to concerns that commercial herring fisheries have resulted in serial depletion of...